Logo Search packages:      
Sourcecode: linux version File versions  Download package

hx4700.c

/*
 * Support for HP iPAQ hx4700 PDAs.
 *
 * Copyright (c) 2008-2009 Philipp Zabel
 *
 * Based on code:
 *    Copyright (c) 2004 Hewlett-Packard Company.
 *    Copyright (c) 2005 SDG Systems, LLC
 *    Copyright (c) 2006 Anton Vorontsov <cbou@mail.ru>
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 2 as
 * published by the Free Software Foundation.
 *
 */

#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/platform_device.h>
#include <linux/delay.h>
#include <linux/fb.h>
#include <linux/gpio.h>
#include <linux/gpio_keys.h>
#include <linux/input.h>
#include <linux/lcd.h>
#include <linux/mfd/htc-egpio.h>
#include <linux/mfd/asic3.h>
#include <linux/mtd/physmap.h>
#include <linux/pda_power.h>
#include <linux/pwm_backlight.h>
#include <linux/regulator/bq24022.h>
#include <linux/regulator/machine.h>
#include <linux/regulator/max1586.h>
#include <linux/spi/ads7846.h>
#include <linux/spi/spi.h>
#include <linux/usb/gpio_vbus.h>

#include <mach/hardware.h>
#include <asm/mach-types.h>
#include <asm/mach/arch.h>

#include <mach/pxa27x.h>
#include <mach/hx4700.h>
#include <plat/i2c.h>
#include <mach/irda.h>
#include <mach/pxa2xx_spi.h>

#include <video/platform_lcd.h>
#include <video/w100fb.h>

#include "devices.h"
#include "generic.h"

/* Physical address space information */

#define ATI_W3220_PHYS  PXA_CS2_PHYS /* ATI Imageon 3220 Graphics */
#define ASIC3_PHYS      PXA_CS3_PHYS
#define ASIC3_SD_PHYS   (PXA_CS3_PHYS + 0x02000000)

static unsigned long hx4700_pin_config[] __initdata = {

      /* SDRAM and Static Memory I/O Signals */
      GPIO20_nSDCS_2,
      GPIO21_nSDCS_3,
      GPIO15_nCS_1,
      GPIO78_nCS_2,   /* W3220 */
      GPIO79_nCS_3,   /* ASIC3 */
      GPIO80_nCS_4,
      GPIO33_nCS_5,     /* EGPIO, WLAN */

      /* PC CARD */
      GPIO48_nPOE,
      GPIO49_nPWE,
      GPIO50_nPIOR,
      GPIO51_nPIOW,
      GPIO54_nPCE_2,
      GPIO55_nPREG,
      GPIO56_nPWAIT,
      GPIO57_nIOIS16,
      GPIO85_nPCE_1,
      GPIO104_PSKTSEL,

      /* I2C */
      GPIO117_I2C_SCL,
      GPIO118_I2C_SDA,

      /* FFUART (RS-232) */
      GPIO34_FFUART_RXD,
      GPIO35_FFUART_CTS,
      GPIO36_FFUART_DCD,
      GPIO37_FFUART_DSR,
      GPIO38_FFUART_RI,
      GPIO39_FFUART_TXD,
      GPIO40_FFUART_DTR,
      GPIO41_FFUART_RTS,

      /* BTUART */
      GPIO42_BTUART_RXD,
      GPIO43_BTUART_TXD,
      GPIO44_BTUART_CTS,
      GPIO45_BTUART_RTS,

      /* PWM 1 (Backlight) */
      GPIO17_PWM1_OUT,

      /* I2S */
      GPIO28_I2S_BITCLK_OUT,
      GPIO29_I2S_SDATA_IN,
      GPIO30_I2S_SDATA_OUT,
      GPIO31_I2S_SYNC,
      GPIO113_I2S_SYSCLK,

      /* SSP 1 (NavPoint) */
      GPIO23_SSP1_SCLK,
      GPIO24_SSP1_SFRM,
      GPIO25_SSP1_TXD,
      GPIO26_SSP1_RXD,

      /* SSP 2 (TSC2046) */
      GPIO19_SSP2_SCLK,
      GPIO86_SSP2_RXD,
      GPIO87_SSP2_TXD,
      GPIO88_GPIO,

      /* HX4700 specific input GPIOs */
      GPIO12_GPIO,      /* ASIC3_IRQ */
      GPIO13_GPIO,      /* W3220_IRQ */
      GPIO14_GPIO,      /* nWLAN_IRQ */

      GPIO10_GPIO,      /* GSM_IRQ */
      GPIO13_GPIO,      /* CPLD_IRQ */
      GPIO107_GPIO,     /* DS1WM_IRQ */
      GPIO108_GPIO,     /* GSM_READY */
      GPIO58_GPIO,      /* TSC2046_nPENIRQ */
      GPIO66_GPIO,      /* nSDIO_IRQ */
};

#define HX4700_GPIO_IN(num, _desc) \
      { .gpio = (num), .dir = 0, .desc = (_desc) }
#define HX4700_GPIO_OUT(num, _init, _desc) \
      { .gpio = (num), .dir = 1, .init = (_init), .desc = (_desc) }
00142 struct gpio_ress {
      unsigned gpio : 8;
      unsigned dir : 1;
      unsigned init : 1;
      char *desc;
};

static int hx4700_gpio_request(struct gpio_ress *gpios, int size)
{
      int i, rc = 0;
      int gpio;
      int dir;

      for (i = 0; (!rc) && (i < size); i++) {
            gpio = gpios[i].gpio;
            dir = gpios[i].dir;
            rc = gpio_request(gpio, gpios[i].desc);
            if (rc) {
                  pr_err("Error requesting GPIO %d(%s) : %d\n",
                         gpio, gpios[i].desc, rc);
                  continue;
            }
            if (dir)
                  gpio_direction_output(gpio, gpios[i].init);
            else
                  gpio_direction_input(gpio);
      }
      while ((rc) && (--i >= 0))
            gpio_free(gpios[i].gpio);
      return rc;
}

/*
 * IRDA
 */

static struct pxaficp_platform_data ficp_info = {
      .gpio_pwdown            = GPIO105_HX4700_nIR_ON,
      .transceiver_cap  = IR_SIRMODE | IR_OFF,
};

/*
 * GPIO Keys
 */

#define INIT_KEY(_code, _gpio, _active_low, _desc)    \
      {                                   \
            .code       = KEY_##_code,          \
            .gpio       = _gpio,                \
            .active_low = _active_low,          \
            .desc       = _desc,                \
            .type       = EV_KEY,               \
            .wakeup     = 1,              \
      }

static struct gpio_keys_button gpio_keys_buttons[] = {
      INIT_KEY(POWER,       GPIO0_HX4700_nKEY_POWER,   1, "Power button"),
      INIT_KEY(MAIL,        GPIO94_HX4700_KEY_MAIL,    0, "Mail button"),
      INIT_KEY(ADDRESSBOOK, GPIO99_HX4700_KEY_CONTACTS,0, "Contacts button"),
      INIT_KEY(RECORD,      GPIOD6_nKEY_RECORD,        1, "Record button"),
      INIT_KEY(CALENDAR,    GPIOD1_nKEY_CALENDAR,      1, "Calendar button"),
      INIT_KEY(HOMEPAGE,    GPIOD3_nKEY_HOME,          1, "Home button"),
};

static struct gpio_keys_platform_data gpio_keys_data = {
      .buttons = gpio_keys_buttons,
      .nbuttons = ARRAY_SIZE(gpio_keys_buttons),
};

static struct platform_device gpio_keys = {
      .name = "gpio-keys",
      .dev  = {
            .platform_data = &gpio_keys_data,
      },
      .id   = -1,
};

/*
 * ASIC3
 */

static u16 asic3_gpio_config[] = {
      /* ASIC3 GPIO banks A and B along with some of C and D
         implement the buffering for the CF slot. */
      ASIC3_CONFIG_GPIO(0, 1, 1, 0),
      ASIC3_CONFIG_GPIO(1, 1, 1, 0),
      ASIC3_CONFIG_GPIO(2, 1, 1, 0),
      ASIC3_CONFIG_GPIO(3, 1, 1, 0),
      ASIC3_CONFIG_GPIO(4, 1, 1, 0),
      ASIC3_CONFIG_GPIO(5, 1, 1, 0),
      ASIC3_CONFIG_GPIO(6, 1, 1, 0),
      ASIC3_CONFIG_GPIO(7, 1, 1, 0),
      ASIC3_CONFIG_GPIO(8, 1, 1, 0),
      ASIC3_CONFIG_GPIO(9, 1, 1, 0),
      ASIC3_CONFIG_GPIO(10, 1, 1, 0),
      ASIC3_CONFIG_GPIO(11, 1, 1, 0),
      ASIC3_CONFIG_GPIO(12, 1, 1, 0),
      ASIC3_CONFIG_GPIO(13, 1, 1, 0),
      ASIC3_CONFIG_GPIO(14, 1, 1, 0),
      ASIC3_CONFIG_GPIO(15, 1, 1, 0),

      ASIC3_CONFIG_GPIO(16, 1, 1, 0),
      ASIC3_CONFIG_GPIO(17, 1, 1, 0),
      ASIC3_CONFIG_GPIO(18, 1, 1, 0),
      ASIC3_CONFIG_GPIO(19, 1, 1, 0),
      ASIC3_CONFIG_GPIO(20, 1, 1, 0),
      ASIC3_CONFIG_GPIO(21, 1, 1, 0),
      ASIC3_CONFIG_GPIO(22, 1, 1, 0),
      ASIC3_CONFIG_GPIO(23, 1, 1, 0),
      ASIC3_CONFIG_GPIO(24, 1, 1, 0),
      ASIC3_CONFIG_GPIO(25, 1, 1, 0),
      ASIC3_CONFIG_GPIO(26, 1, 1, 0),
      ASIC3_CONFIG_GPIO(27, 1, 1, 0),
      ASIC3_CONFIG_GPIO(28, 1, 1, 0),
      ASIC3_CONFIG_GPIO(29, 1, 1, 0),
      ASIC3_CONFIG_GPIO(30, 1, 1, 0),
      ASIC3_CONFIG_GPIO(31, 1, 1, 0),

      /* GPIOC - CF, LEDs, SD */
      ASIC3_GPIOC0_LED0,            /* red */
      ASIC3_GPIOC1_LED1,            /* green */
      ASIC3_GPIOC2_LED2,            /* blue */
      ASIC3_GPIOC4_CF_nCD,
      ASIC3_GPIOC5_nCIOW,
      ASIC3_GPIOC6_nCIOR,
      ASIC3_GPIOC7_nPCE_1,
      ASIC3_GPIOC8_nPCE_2,
      ASIC3_GPIOC9_nPOE,
      ASIC3_GPIOC10_nPWE,
      ASIC3_GPIOC11_PSKTSEL,
      ASIC3_GPIOC12_nPREG,
      ASIC3_GPIOC13_nPWAIT,
      ASIC3_GPIOC14_nPIOIS16,
      ASIC3_GPIOC15_nPIOR,

      /* GPIOD: input GPIOs, CF */
      ASIC3_GPIOD11_nCIOIS16,
      ASIC3_GPIOD12_nCWAIT,
      ASIC3_GPIOD15_nPIOW,
};

static struct resource asic3_resources[] = {
      /* GPIO part */
      [0] = {
            .start      = ASIC3_PHYS,
            .end  = ASIC3_PHYS + ASIC3_MAP_SIZE_16BIT - 1,
            .flags      = IORESOURCE_MEM,
      },
      [1] = {
            .start      = gpio_to_irq(GPIO12_HX4700_ASIC3_IRQ),
            .end  = gpio_to_irq(GPIO12_HX4700_ASIC3_IRQ),
            .flags      = IORESOURCE_IRQ,
      },
      /* SD part */
      [2] = {
            .start      = ASIC3_SD_PHYS,
            .end  = ASIC3_SD_PHYS + ASIC3_MAP_SIZE_16BIT - 1,
            .flags      = IORESOURCE_MEM,
      },
      [3] = {
            .start      = gpio_to_irq(GPIO66_HX4700_ASIC3_nSDIO_IRQ),
            .end  = gpio_to_irq(GPIO66_HX4700_ASIC3_nSDIO_IRQ),
            .flags      = IORESOURCE_IRQ,
      },
};

static struct asic3_platform_data asic3_platform_data = {
      .gpio_config     = asic3_gpio_config,
      .gpio_config_num = ARRAY_SIZE(asic3_gpio_config),
      .irq_base        = IRQ_BOARD_START,
      .gpio_base       = HX4700_ASIC3_GPIO_BASE,
};

static struct platform_device asic3 = {
      .name          = "asic3",
      .id            = -1,
      .resource      = asic3_resources,
      .num_resources = ARRAY_SIZE(asic3_resources),
      .dev = {
            .platform_data = &asic3_platform_data,
      },
};

/*
 * EGPIO
 */

static struct resource egpio_resources[] = {
      [0] = {
            .start = PXA_CS5_PHYS,
            .end   = PXA_CS5_PHYS + 0x4 - 1,
            .flags = IORESOURCE_MEM,
      },
};

static struct htc_egpio_chip egpio_chips[] = {
      [0] = {
            .reg_start = 0,
            .gpio_base = HX4700_EGPIO_BASE,
            .num_gpios = 8,
            .direction = HTC_EGPIO_OUTPUT,
      },
};

static struct htc_egpio_platform_data egpio_info = {
      .reg_width = 16,
      .bus_width = 16,
      .chip      = egpio_chips,
      .num_chips = ARRAY_SIZE(egpio_chips),
};

static struct platform_device egpio = {
      .name          = "htc-egpio",
      .id            = -1,
      .resource      = egpio_resources,
      .num_resources = ARRAY_SIZE(egpio_resources),
      .dev = {
            .platform_data = &egpio_info,
      },
};

/*
 * LCD - Sony display connected to ATI Imageon w3220
 */

static void sony_lcd_init(void)
{
      gpio_set_value(GPIO84_HX4700_LCD_SQN, 1);
      gpio_set_value(GPIO110_HX4700_LCD_LVDD_3V3_ON, 0);
      gpio_set_value(GPIO111_HX4700_LCD_AVDD_3V3_ON, 0);
      gpio_set_value(GPIO70_HX4700_LCD_SLIN1, 0);
      gpio_set_value(GPIO62_HX4700_LCD_nRESET, 0);
      mdelay(10);
      gpio_set_value(GPIO59_HX4700_LCD_PC1, 0);
      gpio_set_value(GPIO110_HX4700_LCD_LVDD_3V3_ON, 0);
      mdelay(20);

      gpio_set_value(GPIO110_HX4700_LCD_LVDD_3V3_ON, 1);
      mdelay(5);
      gpio_set_value(GPIO111_HX4700_LCD_AVDD_3V3_ON, 1);

      /* FIXME: init w3220 registers here */

      mdelay(5);
      gpio_set_value(GPIO70_HX4700_LCD_SLIN1, 1);
      mdelay(10);
      gpio_set_value(GPIO62_HX4700_LCD_nRESET, 1);
      mdelay(10);
      gpio_set_value(GPIO59_HX4700_LCD_PC1, 1);
      mdelay(10);
      gpio_set_value(GPIO112_HX4700_LCD_N2V7_7V3_ON, 1);
}

static void sony_lcd_off(void)
{
      gpio_set_value(GPIO59_HX4700_LCD_PC1, 0);
      gpio_set_value(GPIO62_HX4700_LCD_nRESET, 0);
      mdelay(10);
      gpio_set_value(GPIO112_HX4700_LCD_N2V7_7V3_ON, 0);
      mdelay(10);
      gpio_set_value(GPIO111_HX4700_LCD_AVDD_3V3_ON, 0);
      mdelay(10);
      gpio_set_value(GPIO110_HX4700_LCD_LVDD_3V3_ON, 0);
}

#ifdef CONFIG_PM
static void w3220_lcd_suspend(struct w100fb_par *wfb)
{
      sony_lcd_off();
}

static void w3220_lcd_resume(struct w100fb_par *wfb)
{
      sony_lcd_init();
}
#else
#define w3220_lcd_resume      NULL
#define w3220_lcd_suspend     NULL
#endif

static struct w100_tg_info w3220_tg_info = {
      .suspend    = w3220_lcd_suspend,
      .resume           = w3220_lcd_resume,
};

/*                       W3220_VGA        QVGA */
static struct w100_gen_regs w3220_regs = {
      .lcd_format =        0x00000003,
      .lcdd_cntl1 =        0x00000000,
      .lcdd_cntl2 =        0x0003ffff,
      .genlcd_cntl1 =      0x00abf003,    /* 0x00fff003 */
      .genlcd_cntl2 =      0x00000003,
      .genlcd_cntl3 =      0x000102aa,
};

static struct w100_mode w3220_modes[] = {
{
      .xres             = 480,
      .yres             = 640,
      .left_margin      = 15,
      .right_margin     = 16,
      .upper_margin     = 8,
      .lower_margin     = 7,
      .crtc_ss    = 0x00000000,
      .crtc_ls    = 0xa1ff01f9,     /* 0x21ff01f9 */
      .crtc_gs    = 0xc0000000,     /* 0x40000000 */
      .crtc_vpos_gs     = 0x0000028f,
      .crtc_ps1_active = 0x00000000,      /* 0x41060010 */
      .crtc_rev   = 0,
      .crtc_dclk  = 0x80000000,
      .crtc_gclk  = 0x040a0104,
      .crtc_goe   = 0,
      .pll_freq   = 95,
      .pixclk_divider = 4,
      .pixclk_divider_rotated = 4,
      .pixclk_src     = CLK_SRC_PLL,
      .sysclk_divider = 0,
      .sysclk_src     = CLK_SRC_PLL,
},
{
      .xres             = 240,
      .yres             = 320,
      .left_margin      = 9,
      .right_margin     = 8,
      .upper_margin     = 5,
      .lower_margin     = 4,
      .crtc_ss    = 0x80150014,
      .crtc_ls        = 0xa0fb00f7,
      .crtc_gs    = 0xc0080007,
      .crtc_vpos_gs     = 0x00080007,
      .crtc_rev   = 0x0000000a,
      .crtc_dclk  = 0x81700030,
      .crtc_gclk  = 0x8015010f,
      .crtc_goe   = 0x00000000,
      .pll_freq   = 95,
      .pixclk_divider = 4,
      .pixclk_divider_rotated = 4,
      .pixclk_src     = CLK_SRC_PLL,
      .sysclk_divider = 0,
      .sysclk_src     = CLK_SRC_PLL,
},
};

struct w100_mem_info w3220_mem_info = {
      .ext_cntl        = 0x09640011,
      .sdram_mode_reg  = 0x00600021,
      .ext_timing_cntl = 0x1a001545,      /* 0x15001545 */
      .io_cntl         = 0x7ddd7333,
      .size            = 0x1fffff,
};

struct w100_bm_mem_info w3220_bm_mem_info = {
      .ext_mem_bw = 0x50413e01,
      .offset = 0,
      .ext_timing_ctl = 0x00043f7f,
      .ext_cntl = 0x00000010,
      .mode_reg = 0x00250000,
      .io_cntl = 0x0fff0000,
      .config = 0x08301480,
};

static struct w100_gpio_regs w3220_gpio_info = {
      .init_data1 = 0xdfe00100,     /* GPIO_DATA */
      .gpio_dir1  = 0xffff0000,     /* GPIO_CNTL1 */
      .gpio_oe1   = 0x00000000,     /* GPIO_CNTL2 */
      .init_data2 = 0x00000000,     /* GPIO_DATA2 */
      .gpio_dir2  = 0x00000000,     /* GPIO_CNTL3 */
      .gpio_oe2   = 0x00000000,     /* GPIO_CNTL4 */
};

static struct w100fb_mach_info w3220_info = {
      .tg        = &w3220_tg_info,
      .mem       = &w3220_mem_info,
      .bm_mem    = &w3220_bm_mem_info,
      .gpio      = &w3220_gpio_info,
      .regs      = &w3220_regs,
      .modelist  = w3220_modes,
      .num_modes = 2,
      .xtal_freq = 16000000,
};

static struct resource w3220_resources[] = {
      [0] = {
            .start      = ATI_W3220_PHYS,
            .end  = ATI_W3220_PHYS + 0x00ffffff,
            .flags      = IORESOURCE_MEM,
      },
};

static struct platform_device w3220 = {
      .name = "w100fb",
      .id   = -1,
      .dev  = {
            .platform_data = &w3220_info,
      },
      .num_resources = ARRAY_SIZE(w3220_resources),
      .resource      = w3220_resources,
};

static void hx4700_lcd_set_power(struct plat_lcd_data *pd, unsigned int power)
{
      if (power)
            sony_lcd_init();
      else
            sony_lcd_off();
}

static struct plat_lcd_data hx4700_lcd_data = {
      .set_power = hx4700_lcd_set_power,
};

static struct platform_device hx4700_lcd = {
      .name = "platform-lcd",
      .id   = -1,
      .dev  = {
            .platform_data = &hx4700_lcd_data,
            .parent        = &w3220.dev,
      },
};

/*
 * Backlight
 */

static struct platform_pwm_backlight_data backlight_data = {
      .pwm_id         = 1,
      .max_brightness = 200,
      .dft_brightness = 100,
      .pwm_period_ns  = 30923,
};

static struct platform_device backlight = {
      .name = "pwm-backlight",
      .id   = -1,
      .dev  = {
            .parent        = &pxa27x_device_pwm1.dev,
            .platform_data = &backlight_data,
      },
};

/*
 * USB "Transceiver"
 */

static struct gpio_vbus_mach_info gpio_vbus_info = {
      .gpio_pullup        = GPIO76_HX4700_USBC_PUEN,
      .gpio_vbus          = GPIOD14_nUSBC_DETECT,
      .gpio_vbus_inverted = 1,
};

static struct platform_device gpio_vbus = {
      .name          = "gpio-vbus",
      .id            = -1,
      .dev = {
            .platform_data = &gpio_vbus_info,
      },
};

/*
 * Touchscreen - TSC2046 connected to SSP2
 */

static const struct ads7846_platform_data tsc2046_info = {
      .model            = 7846,
      .vref_delay_usecs = 100,
      .pressure_max     = 1024,
      .debounce_max     = 10,
      .debounce_tol     = 3,
      .debounce_rep     = 1,
      .gpio_pendown     = GPIO58_HX4700_TSC2046_nPENIRQ,
};

static struct pxa2xx_spi_chip tsc2046_chip = {
      .tx_threshold = 1,
      .rx_threshold = 2,
      .timeout      = 64,
      .gpio_cs      = GPIO88_HX4700_TSC2046_CS,
};

static struct spi_board_info tsc2046_board_info[] __initdata = {
      {
            .modalias        = "ads7846",
            .bus_num         = 2,
            .max_speed_hz    = 2600000, /* 100 kHz sample rate */
            .irq             = gpio_to_irq(GPIO58_HX4700_TSC2046_nPENIRQ),
            .platform_data   = &tsc2046_info,
            .controller_data = &tsc2046_chip,
      },
};

static struct pxa2xx_spi_master pxa_ssp2_master_info = {
      .num_chipselect = 1,
      .clock_enable   = CKEN_SSP2,
      .enable_dma     = 1,
};

/*
 * External power
 */

static int power_supply_init(struct device *dev)
{
      return gpio_request(GPIOD9_nAC_IN, "AC charger detect");
}

static int hx4700_is_ac_online(void)
{
      return !gpio_get_value(GPIOD9_nAC_IN);
}

static void power_supply_exit(struct device *dev)
{
      gpio_free(GPIOD9_nAC_IN);
}

static char *hx4700_supplicants[] = {
      "ds2760-battery.0", "backup-battery"
};

static struct pda_power_pdata power_supply_info = {
      .init            = power_supply_init,
      .is_ac_online    = hx4700_is_ac_online,
      .exit            = power_supply_exit,
      .supplied_to     = hx4700_supplicants,
      .num_supplicants = ARRAY_SIZE(hx4700_supplicants),
};

static struct resource power_supply_resources[] = {
      [0] = {
            .name  = "ac",
            .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE |
                     IORESOURCE_IRQ_LOWEDGE,
            .start = gpio_to_irq(GPIOD9_nAC_IN),
            .end   = gpio_to_irq(GPIOD9_nAC_IN),
      },
      [1] = {
            .name  = "usb",
            .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE |
                     IORESOURCE_IRQ_LOWEDGE,
            .start = gpio_to_irq(GPIOD14_nUSBC_DETECT),
            .end   = gpio_to_irq(GPIOD14_nUSBC_DETECT),
      },
};

static struct platform_device power_supply = {
      .name = "pda-power",
      .id   = -1,
      .dev  = {
            .platform_data = &power_supply_info,
      },
      .resource      = power_supply_resources,
      .num_resources = ARRAY_SIZE(power_supply_resources),
};

/*
 * Battery charger
 */

static struct regulator_consumer_supply bq24022_consumers[] = {
      {
            .dev = &gpio_vbus.dev,
            .supply = "vbus_draw",
      },
      {
            .dev = &power_supply.dev,
            .supply = "ac_draw",
      },
};

static struct regulator_init_data bq24022_init_data = {
      .constraints = {
            .max_uA         = 500000,
            .valid_ops_mask = REGULATOR_CHANGE_CURRENT,
      },
      .num_consumer_supplies  = ARRAY_SIZE(bq24022_consumers),
      .consumer_supplies      = bq24022_consumers,
};

static struct bq24022_mach_info bq24022_info = {
      .gpio_nce   = GPIO72_HX4700_BQ24022_nCHARGE_EN,
      .gpio_iset2 = GPIO96_HX4700_BQ24022_ISET2,
      .init_data  = &bq24022_init_data,
};

static struct platform_device bq24022 = {
      .name = "bq24022",
      .id   = -1,
      .dev  = {
            .platform_data = &bq24022_info,
      },
};

/*
 * StrataFlash
 */

static void hx4700_set_vpp(struct map_info *map, int vpp)
{
      gpio_set_value(GPIO91_HX4700_FLASH_VPEN, vpp);
}

static struct resource strataflash_resource = {
      .start = PXA_CS0_PHYS,
      .end   = PXA_CS0_PHYS + SZ_128M - 1,
      .flags = IORESOURCE_MEM,
};

static struct physmap_flash_data strataflash_data = {
      .width = 4,
      .set_vpp = hx4700_set_vpp,
};

static struct platform_device strataflash = {
      .name          = "physmap-flash",
      .id            = -1,
      .resource      = &strataflash_resource,
      .num_resources = 1,
      .dev = {
            .platform_data = &strataflash_data,
      },
};

/*
 * Maxim MAX1587A on PI2C
 */

static struct regulator_consumer_supply max1587a_consumer = {
      .supply = "vcc_core",
};

static struct regulator_init_data max1587a_v3_info = {
      .constraints = {
            .name = "vcc_core range",
            .min_uV =  900000,
            .max_uV = 1705000,
            .always_on = 1,
            .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE,
      },
      .num_consumer_supplies = 1,
      .consumer_supplies     = &max1587a_consumer,
};

static struct max1586_subdev_data max1587a_subdev = {
      .name = "vcc_core",
      .id   = MAX1586_V3,
      .platform_data = &max1587a_v3_info,
};

static struct max1586_platform_data max1587a_info = {
      .num_subdevs = 1,
      .subdevs     = &max1587a_subdev,
      .v3_gain     = MAX1586_GAIN_R24_3k32, /* 730..1550 mV */
};

static struct i2c_board_info __initdata pi2c_board_info[] = {
      {
            I2C_BOARD_INFO("max1586", 0x14),
            .platform_data = &max1587a_info,
      },
};

/*
 * PCMCIA
 */

static struct platform_device pcmcia = {
      .name = "hx4700-pcmcia",
      .dev  = {
            .parent = &asic3.dev,
      },
};

/*
 * Platform devices
 */

static struct platform_device *devices[] __initdata = {
      &asic3,
      &gpio_keys,
      &backlight,
      &w3220,
      &egpio,
      &bq24022,
      &gpio_vbus,
      &power_supply,
      &strataflash,
      &pcmcia,
};

static struct gpio_ress global_gpios[] = {
      HX4700_GPIO_IN(GPIO12_HX4700_ASIC3_IRQ, "ASIC3_IRQ"),
      HX4700_GPIO_IN(GPIO13_HX4700_W3220_IRQ, "W3220_IRQ"),
      HX4700_GPIO_IN(GPIO14_HX4700_nWLAN_IRQ, "WLAN_IRQ"),
      HX4700_GPIO_OUT(GPIO59_HX4700_LCD_PC1,          1, "LCD_PC1"),
      HX4700_GPIO_OUT(GPIO62_HX4700_LCD_nRESET,       1, "LCD_RESET"),
      HX4700_GPIO_OUT(GPIO70_HX4700_LCD_SLIN1,        1, "LCD_SLIN1"),
      HX4700_GPIO_OUT(GPIO84_HX4700_LCD_SQN,          1, "LCD_SQN"),
      HX4700_GPIO_OUT(GPIO110_HX4700_LCD_LVDD_3V3_ON, 1, "LCD_LVDD"),
      HX4700_GPIO_OUT(GPIO111_HX4700_LCD_AVDD_3V3_ON, 1, "LCD_AVDD"),
      HX4700_GPIO_OUT(GPIO32_HX4700_RS232_ON,         1, "RS232_ON"),
      HX4700_GPIO_OUT(GPIO71_HX4700_ASIC3_nRESET,     1, "ASIC3_nRESET"),
      HX4700_GPIO_OUT(GPIO82_HX4700_EUART_RESET,      1, "EUART_RESET"),
      HX4700_GPIO_OUT(GPIO105_HX4700_nIR_ON,          1, "nIR_EN"),
};

static void __init hx4700_init(void)
{
      pxa2xx_mfp_config(ARRAY_AND_SIZE(hx4700_pin_config));
      hx4700_gpio_request(ARRAY_AND_SIZE(global_gpios));

      platform_add_devices(devices, ARRAY_SIZE(devices));

      pxa_set_ficp_info(&ficp_info);
      pxa27x_set_i2c_power_info(NULL);
      pxa_set_i2c_info(NULL);
      i2c_register_board_info(1, ARRAY_AND_SIZE(pi2c_board_info));
      pxa2xx_set_spi_info(2, &pxa_ssp2_master_info);
      spi_register_board_info(ARRAY_AND_SIZE(tsc2046_board_info));

      gpio_set_value(GPIO71_HX4700_ASIC3_nRESET, 0);
      mdelay(10);
      gpio_set_value(GPIO71_HX4700_ASIC3_nRESET, 1);
      mdelay(10);
}

MACHINE_START(H4700, "HP iPAQ HX4700")
      .phys_io      = 0x40000000,
      .io_pg_offst  = (io_p2v(0x40000000) >> 18) & 0xfffc,
      .boot_params  = 0xa0000100,
      .map_io       = pxa_map_io,
      .init_irq     = pxa27x_init_irq,
      .init_machine = hx4700_init,
      .timer        = &pxa_timer,
MACHINE_END

Generated by  Doxygen 1.6.0   Back to index